package 线程池的使用.thread;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author yaosongbing
 * @className com.bestpay.merchant.neighbor.common.thread.MarketingToolThreadFactory
 * @desc
 * @createTime 2020/5/7 16:30
 */
public class MarketingToolThreadFactory implements ThreadFactory {

    private static final AtomicInteger POOL_NUMBER = new AtomicInteger(1);
    private final ThreadGroup group;
    private final AtomicInteger threadNumber = new AtomicInteger(1);
    private final String namePrefix;

    private MarketingToolThreadFactory(String namePrefix) {
        SecurityManager s = System.getSecurityManager();
        group = (s != null) ? s.getThreadGroup() :
                Thread.currentThread().getThreadGroup();
        this.namePrefix = "pool-" + namePrefix +
                POOL_NUMBER.getAndIncrement() +
                "-thread-";
    }

    @Override
    public Thread newThread(Runnable r) {
        Thread t = new Thread(group, r,
                namePrefix + threadNumber.getAndIncrement(),
                0);
        if (t.isDaemon()) {
            t.setDaemon(false);
        }
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            t.setPriority(Thread.NORM_PRIORITY);
        }
        return t;
    }


    public static ThreadFactory defaultThreadFactory(String namePrefix) {
        return new MarketingToolThreadFactory(namePrefix);
    }

}
